package com.study.webapp.map;

import java.util.HashMap;
import java.util.Map;

public class HashMapTest {

    public static void main(String[] args) {
        Map map = new HashMap<>();
        map.put("","");
        map.hashCode();
        Object object = new Object();
        object.hashCode();
        HashMapTest test = new HashMapTest();
        test.hashCode();
    }
}
